Spilling Thought: Your daily dose of cute: A five-week old southern sea otter pup. This orphaned pup was rescue by Monterey Bay Aquarium and now calls @shedd_aquarium in Chicago home. Listed as an endangered species, southern sea otters live in the nearshore waters along the mainland coastline of California and are among the smallest of marine mammals. Follow @usfws to learn more about ongoing conservation efforts to ensure these beautiful creatures remain a part of our marine environment. Photo courtesy of Brenna Hernandez, Shedd Aquarium. by usinterior